Internally Cooled Cable Superconductor (ICCS) for TF and PF coils of FED

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Description

Internally Cooled Cable Superconductor (ICCS) concepts developed for TF and PF coils of FED are described. These concepts represent one of the options for FED, and other conductor concepts are still being explored, i.e., no decision has been made for the conductor concepts to be utilized for FED. The TF coil conductor design is based on an ICCS successfully used in a small test magnet at ORNL. The conductor consists of triplets of NbTi strands loosely packed in a stainless steel conduit similar to the Westinghouse LCP coil. The operating current for the conductor is 25.5 kA at l0T and ... continued below

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Pages: 5

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Srivastava, V.C.; Lue, J.W. & Lubell, M.S. January 1, 1982.

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Description

Internally Cooled Cable Superconductor (ICCS) concepts developed for TF and PF coils of FED are described. These concepts represent one of the options for FED, and other conductor concepts are still being explored, i.e., no decision has been made for the conductor concepts to be utilized for FED. The TF coil conductor design is based on an ICCS successfully used in a small test magnet at ORNL. The conductor consists of triplets of NbTi strands loosely packed in a stainless steel conduit similar to the Westinghouse LCP coil. The operating current for the conductor is 25.5 kA at l0T and 3.1/sup 0/K. The conductor is co-wound with a stainless steel C-shaped channel to provide a direct load path to the coil case for the accumulated magnetic loads in the winding. The strand diameter in the conductor is optimized to reduce the eddy current losses. The nuclear heating in the winding is the most dominant heat load. In order to remove these heat loads due to nuclear heating and ac losses in the winding, it is necessary to lower the inlet temperature of helium to 2.2/sup 0/K. The conductor has a thermal capacity of approx. 200 mJ/cc, which provides a comfortable stability margin under the operating conditions.

Physical Description

Pages: 5

Notes

NTIS, PC A02/MF A01; 1.

Source

  • Applied superconductivity conference, Knoxville, TN, USA, 30 Nov 1982

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  • Other: DE84003365
  • Report No.: CONF-821108-32
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5651647
  • Archival Resource Key: ark:/67531/metadc1093356

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1982

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 19, 2018, 11:06 a.m.

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Srivastava, V.C.; Lue, J.W. & Lubell, M.S. Internally Cooled Cable Superconductor (ICCS) for TF and PF coils of FED, article, January 1, 1982; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1093356/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.